JPH10505211A - マイクロパワーrfトランスポンダー - Google Patents
マイクロパワーrfトランスポンダーInfo
- Publication number
- JPH10505211A JPH10505211A JP8509572A JP50957296A JPH10505211A JP H10505211 A JPH10505211 A JP H10505211A JP 8509572 A JP8509572 A JP 8509572A JP 50957296 A JP50957296 A JP 50957296A JP H10505211 A JPH10505211 A JP H10505211A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- oscillator
- network
- receiver
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D11/00—Super-regenerative demodulator circuits
- H03D11/02—Super-regenerative demodulator circuits for amplitude-modulated oscillations
- H03D11/04—Super-regenerative demodulator circuits for amplitude-modulated oscillations by means of semiconductor devices having more than two electrodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Radar Systems Or Details Thereof (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Burglar Alarm Systems (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Superheterodyne Receivers (AREA)
- Transmitters (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.a)所定の抑制周波数で一連の抑制発振パルスを発生する外部抑制オシレー タと、 b)前記抑制オシレータに接続されており、前記一連の抑制発振パルスを一 連の指数的に減衰する駆動パルスに変換するパルス形成ネットワークと、 c)前記駆動パルスに接続されるとともに、該駆動パルスにより駆動される RFオシレータと、 d)前記RFオシレータに接続されており、変調されたRF信号を受信する アンテナと、 e)前記RFオシレータに接続されており、前記抑制周波数信号を阻止する とともに、検出されたRF信号を通過させる信号抽出ネットワークと、及び f)前記信号抽出ネットワークに接続されており、前記検出されたRF信号 を増幅するマイクロパワー増幅器と、を含むRFレシーバ。 2.前記オシレータは、コルピッツオシレータである請求項1記載のRFレシー バ。 3.前記コルピッツオシレータは、前記指数的に減衰する駆動パルスの1つの極 性のみに基づいて導通し、トランジスタを備える請求項2記載のRFレシーバ。 4.前記アンテナと前記コルピッツオシレータとの間に接続された入力カップリ ングネットワークを備える請求項2記載のRFレシーバ。 5.前記マイクロパワー増幅器の出力での前記増幅され且つ検出されたRF信号 を処理する論理インターフェース及びデータ論理回路を備える請求項4記載のR Fレシーバ。 6.前記コルピッツオシレータは、コレクタ、エミッタ、及びベースを有するト ランジスタを備え、前記入力カップリングネットワークは、前記ベースに接続さ れている請求項4記載のRFレシーバ。 7.前記コルピッツオシレータは、コレクタ、エミッタ、及びベースを有するト ランジスタを備え、前記入力カップリングネットワークは、前記コレクタに接続 されている請求項4記載のRFレシーバ。 8.前記マイクロパワー増幅器は、 a)リニアモードで動作させられる1又は2以上のインバータを備える自己 安定増幅器と、 b)電源ピンVDDと、及び c)電源と前記電源ピンVDDとの間に接続されており、前記増幅器を非常に 低い電流レベルに自動的に維持する電流調整回路と、 を含む請求項1記載のRFレシーバ。 9.前記電流調整回路は、 a)前記電源と前記電源ピンVDDとの間に接続された非常に高い抵抗値を有 する抵抗と、及び、 b)前記電源ピンVDDと接地側との間に接続されたバイパスコンデンサと、 を含む請求項8記載のRFレシーバ。 10.前記電流調整回路は、前記電源と前記電源ピンVDDとの間に接続された定 電流源を含む請求項8記載のRFレシーバ。 11.前記マイクロパワー増幅器は、前記自己安定増幅器の出力と入力の間に配 置され、該自己安定増幅器をリニアモードで動作させる高い抵抗性のフィードバ ック経路を含む請求項8記載のRFレシーバ。 12.a)0.1から1マイクロヘンリーの範囲であり、300MHzのオーダ の共振周波数を有しており、RFレシーバの動作周波数を定め、且つ、変調され たRF信号を受信する自己共振誘導回路と、 b)わずかに前方にバイアスされたショットキー検出器ダイオードと、 c)DC成分を阻止するDCフィルターと、及び d)前記DCフィルターに接続され、前記検出されたRF信号を増幅する マイクロパワー増幅器と、を含むRFレシーバ。 13.a)RF信号を受信する受信アンテナと、 b)前記受信アンテナに接続され、1又は2以上の所望の同調周波数を決 定する周波数選択ネットワークと、 c)前記周波数選択ネットワークに接続されるとともに、平均インピーダ ンスを有しており、前記RF信号を周期的にサンプリングして前記RF信号のサ ンプル化されたレプリカを得るようにするサンプリング混合器とを、含み、 d)前記周波数選択ネットワークは、インピーダンス適合ネットワークと して作用し、適合された末端を前記アンテナに与えるとともに、高インピーダン ス出力を与えて前記サンプリング混合器の前記平均インピーダンスを適合するよ うにし、 e)前記周波数選択ネットワークは、比較的長い負荷のかかっていない出 力期間と長い非導通サンプリング間隔とを有し、これにより、前記周波数選択ネ ットワークは、前記非導通サンプリング間隔との間に、エネルギーを蓄積すると ともに格納し、サンプリングの時に、格納されたエネルギーが実質的に抽出され ており、 f)前記サンプリング混合器に接続され、前記サンプルされたレプリカ信 号を増幅するマイクロパワー増幅器と、を含むレシーバ。 14.前記サンプリング混合器は、次式に示されるように、多数のサンプリング 周波数で前記変調されたRF信号をサンプルし、 F(Sig)=F(RF)−nF(LO) ここで、F(Sig)は、変調されたRF信号周波数であり、F(RF)は、 前記周波数選択ネットワークのRFフィルタリング周波数であり、nは整数であ り、及びF(LO)は、局所オシレータにより設定されたサンプリング周波数で ある請求項13記載のRFレシーバ。 15.前記サンプリング混合器は、共通のカソード形態の2つのショットキーダ イオードを含み、局所オシレータゲートパルスは、前記両ショットキーダイオー ドの共通カソードに供給される請求項14記載のRFレシーバ。 16.矩形波発振信号を発生する局所オシレータを含む請求項15記載のレシー バ。 17.前記局所オシレータに接続され、前記矩形波発振信号の上昇時間を減少す るパルス発生器を含む請求項16記載のレシーバ。 18.前記パルス発生器と前記両ショットキーダイオードの共通カソードとの間 に接続されており、前記パルス発生器の出力での前記発振矩形波信号を速い上昇 時間及び指数的に減衰する尾部を有する高ピークの電流信号に変換するパルス形 成ネットワークを含む請求項17記載のレシーバ。 19.a)変調されたRF信号を受信する受信アンテナと、 b)前記受信アンテナに接続されたRFレシーバと、 c)データを処理するデータ処理ネットワークと、 d)送信アンテナを介して処理されたデータを送信するRF送信機と、を 含み、 e)前記RFレシーバは、 i)所定の抑制周波数で一連のパルスを発生する外部抑制オシレータと、 ii)前記抑制オシレータに接続され、前記一連の周期的パルスを一連の指 数的に減衰する駆動パルスに変換するパルス形成ネットワークと、 iii)前記駆動パルスに接続されるとともに、該駆動パルスにより駆動さ れ るオシレータと、 iv)前記オシレータに接続されており、前記RF信号を受信するアンテナ と、 v)前記オシレータに接続されており、前記抑制周波数信号を阻止すると ともに、検出されたRF信号を通過させる信号抽出ネットワークと、及び vi)前記信号抽出ネットワークに接続されており、前記検出されたRF信 号を増幅するマイクロパワー増幅器と、を備えるトランスポンダー。 20.前記レシーバにより発生させられたデータパルスは、前記データ処理ネッ トワークにより復号化され、このデータ処理ネットワークは、受容符号を与え、 前記データ処理ネットワークは、質問を発生し、前記送信アンテナを介してそ のような質問を送る請求項19記載のトランスポンダー。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/300,765 | 1994-09-06 | ||
US08/300,765 US5630216A (en) | 1994-09-06 | 1994-09-06 | Micropower RF transponder with superregenerative receiver and RF receiver with sampling mixer |
PCT/US1995/011045 WO1996008086A1 (en) | 1994-09-06 | 1995-08-29 | Micropower rf transponder |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006045800A Division JP3916649B2 (ja) | 1994-09-06 | 2006-02-22 | Rfレシーバ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10505211A true JPH10505211A (ja) | 1998-05-19 |
JP3841826B2 JP3841826B2 (ja) | 2006-11-08 |
Family
ID=23160490
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50957296A Expired - Lifetime JP3841826B2 (ja) | 1994-09-06 | 1995-08-29 | マイクロパワーrfトランスポンダー |
JP2006045800A Expired - Lifetime JP3916649B2 (ja) | 1994-09-06 | 2006-02-22 | Rfレシーバ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006045800A Expired - Lifetime JP3916649B2 (ja) | 1994-09-06 | 2006-02-22 | Rfレシーバ |
Country Status (8)
Country | Link |
---|---|
US (1) | US5630216A (ja) |
EP (2) | EP1411644B1 (ja) |
JP (2) | JP3841826B2 (ja) |
AT (2) | ATE477618T1 (ja) |
AU (1) | AU3462295A (ja) |
CA (1) | CA2199123C (ja) |
DE (2) | DE69533924T2 (ja) |
WO (1) | WO1996008086A1 (ja) |
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JP2004286503A (ja) * | 2003-03-20 | 2004-10-14 | Ngk Insulators Ltd | 振動子の駆動方法および振動子の駆動装置 |
JP2006333390A (ja) * | 2005-05-30 | 2006-12-07 | Furukawa Electric Co Ltd:The | 低雑音増幅回路 |
KR20180013656A (ko) * | 2016-07-29 | 2018-02-07 | 삼성전기주식회사 | 자성체 및 그것을 이용한 정보 송신 장치 |
JP2018026609A (ja) * | 2016-08-08 | 2018-02-15 | 国立研究開発法人産業技術総合研究所 | 無線受信回路 |
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- 1995-08-29 AU AU34622/95A patent/AU3462295A/en not_active Abandoned
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- 1995-08-29 JP JP50957296A patent/JP3841826B2/ja not_active Expired - Lifetime
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Cited By (4)
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JP2004286503A (ja) * | 2003-03-20 | 2004-10-14 | Ngk Insulators Ltd | 振動子の駆動方法および振動子の駆動装置 |
JP2006333390A (ja) * | 2005-05-30 | 2006-12-07 | Furukawa Electric Co Ltd:The | 低雑音増幅回路 |
KR20180013656A (ko) * | 2016-07-29 | 2018-02-07 | 삼성전기주식회사 | 자성체 및 그것을 이용한 정보 송신 장치 |
JP2018026609A (ja) * | 2016-08-08 | 2018-02-15 | 国立研究開発法人産業技術総合研究所 | 無線受信回路 |
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EP1411644A2 (en) | 2004-04-21 |
JP3916649B2 (ja) | 2007-05-16 |
EP0781473A1 (en) | 1997-07-02 |
DE69536094D1 (de) | 2010-09-23 |
JP2006197635A (ja) | 2006-07-27 |
EP1411644B1 (en) | 2010-08-11 |
EP1411644A3 (en) | 2004-11-10 |
DE69533924T2 (de) | 2005-12-15 |
JP3841826B2 (ja) | 2006-11-08 |
WO1996008086A1 (en) | 1996-03-14 |
CA2199123A1 (en) | 1996-03-14 |
US5630216A (en) | 1997-05-13 |
CA2199123C (en) | 2007-07-24 |
DE69533924D1 (de) | 2005-02-17 |
ATE477618T1 (de) | 2010-08-15 |
ATE287147T1 (de) | 2005-01-15 |
AU3462295A (en) | 1996-03-27 |
EP0781473A4 (en) | 1999-12-08 |
EP0781473B1 (en) | 2005-01-12 |
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